<?php
/**
 * +----------------------------------------------------------------------
 * | 公共的Logic
 * +----------------------------------------------------------------------
 * | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
 * +----------------------------------------------------------------------
 * | Author: tudo<997470395@qq.com>2016/2/269:16
 * +----------------------------------------------------------------------
 **/
class PublicLogic
{
    public function getSlide($num=4){

    }
}